fix multipart messages when quoting the body; bodyhandle does not necessarily exist...

[debbugs.git] / Debbugs / Mail.pm

diff --git a/Debbugs/Mail.pm b/Debbugs/Mail.pm
index 9fa282b1b53689447621513908d3092d57ebc65b..a2a27d237ae819937fbf187964c4939d33f45096 100644 (file)
--- a/Debbugs/Mail.pm
+++ b/Debbugs/Mail.pm
@@ -61,6 +61,7 @@ BEGIN{
      %EXPORT_TAGS = (addresses => [qw(get_addresses)],
                     misc      => [qw(rfc822_date)],
                     mail      => [qw(send_mail_message encode_headers default_headers)],
+                     reply     => [qw(reply_headers)],
                    );
      @EXPORT_OK = ();
      Exporter::export_ok_tags(keys %EXPORT_TAGS);
@@ -414,6 +415,69 @@ sub rfc822_date{
      return scalar strftime "%a, %d %h %Y %T +0000", gmtime;
 }
 
+=head2 reply_headers
+
+     reply_headers(MIME::Parser->new()->parse_data(\$data));
+
+Generates suggested headers and a body for replies. Primarily useful
+for use in RFC2368 mailto: entries.
+
+=cut
+
+sub reply_headers{
+    my ($entity) = @_;
+
+    my $head = $entity->head;
+    # build reply link
+    my %r_l;
+    $r_l{subject} = $head->get('Subject');
+    $r_l{subject} //= 'Your mail';
+    $r_l{subject} = 'Re: '. $r_l{subject} unless $r_l{subject} =~ /(?:^|\s)Re:\s+/;
+    $r_l{subject} =~ s/(?:^\s*|\s*$)//g;
+    $r_l{'In-Reply-To'} = $head->get('Message-Id');
+    delete $r_l{'In-Reply-To'} unless defined $r_l{'In-Reply-To'};
+    $r_l{References} = ($head->get('References')//''). ' '.($head->get('Message-Id')//'');
+    my $date = $head->get('Date') // 'some date';
+    $date =~ s/(?:^\s*|\s*$)//g;
+    my $who = $head->get('From') // $head->get('Reply-To') // 'someone';
+    $who =~ s/(?:^\s*|\s*$)//g;
+
+    my $body = "On $date $who wrote:\n";
+    my $i = 60;
+    my $b_h;
+    ## find the first part which has a defined body handle and appears
+    ## to be text
+    if (defined $entity->bodyhandle) {
+        $b_h = $entity->bodyhandle;
+    } elsif ($entity->parts) {
+        my @parts = $entity->parts;
+        while (defined(my $part = shift @parts)) {
+            if ($part->parts) {
+                push @parts,$part->parts;
+            }
+            if (defined $part->bodyhandle and
+                $part->effective_type =~ /text/) {
+                print STDERR $part->effective_type."\n";
+                $b_h = $part->bodyhandle;
+                last;
+            }
+        }
+    }
+    if (defined $b_h) {
+        eval {
+            my $IO = $b_h->open("r");
+            while (defined($_ = $IO->getline)) {
+                $i--;
+                last if $i < 0;
+                $body .= '> '. $_;
+            }
+            $IO->close();
+        };
+    }
+    $r_l{body} = $body;
+    return \%r_l;
+}
+
 =head1 PRIVATE FUNCTIONS
 
 =head2 _send_message